According to North American Numbering Plan, 803606 located in COLUMBIA, South Carolina. the first three digits 803 locate to state South Carolina, 606 Cellular locate the city COLUMBIA, furthermore, we also provide some other information such as the zip code example(s) 29222, 29201, 29204, carrier CELLCO PARTNERSHIP DBA VERIZON, and the latitude and longitude is 34.0099 -81.0341. Please pay attention that the detail we provide only as a reference, the details of the zip code may be not complete, the latitude and longitude likely to have deviation.